Home / 45,211.20-67,849.20-25,468.80

Finding the Fourth Proportional to 45,211.20, 67,849.20 and 25,468.80

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Solution

The fourth proportional to 45,211.20, 67,849.20 and 25,468.80 is: 38,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,211.20 : 67,849.20 = 25,468.80 : x
  2. Step 2: Convert to fraction form
    45,211.20/67,849.20 = 25,468.80/x
  3. Step 3: Cross multiply
    45,211.20x = 67,849.20 × 25,468.80
  4. Step 4: Simplify right side
    45,211.20x = 1,728,037,704.96
  5. Step 5: Solve for x
    x = 1,728,037,704.96/45,211.20
  6. Step 6: Final answer
    x = 38,221.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.